ANNEX 11 . AIR TRAFFIC SERVICES
Chapter 1 Definitions
Accepting Un-it The term ”receiving facility” is used.
Advisory Airspace Advisory service is provided in terminal radar service areas and the outer area associated with class C airspace areas as well as Class E airspace.
Advisory Route Advisory service is provided in terminal radar service areas and the outer area associated with class C airspace areas as well as Class E airspace.
ACAS Traffic Alert and Collision Avoidance System (TCAS) – An airborne collision avoidance system based on radar beacon signals which operates independent of ground.based equipment. 14 CFR 1.1 further defines and breaks down TCAS into TCAS 1 – provides traffic advisories 2 – provides traffic advisories and resolution advisories in the vertical plane and 3 – provides traffic advisories and resolution advisories in the vertical and horizontal planes.
AIRMET FAA Pilot Controller Glossary defines (in part) AIRMET as ”In.flight weather advisories issued only to amend the area forecast concerning weather phenomena which are of operational interest to all aircraft and potentially hazardous to aircraft having limited capability because of lack of equip-ment instrumentation or pilot qualifications....” The ICAO definition of AIRMET narrows the purpose of the advisory to ”low.level aircraft operations”, where the FAA has a more broad defini-tion to encompass ”all aircraft and ... aircraft having limited capability...” Also, ICAO uses the term ”forecast ... for the flight information region” where the FAA uses ”area forecast”. Differ-ence in character (terminology) for area forecast. FAA uses AIRMETS for broader purpose.
Air traffic con-trol unit The U.S. uses the term “air traffic control facility”. (i.e. En Route, Terminal, or Flight Service)
Air traffic ser-vices reporting office FAA Pilot Control Glossary defines (in part) Flight Service Stations (FSS) as ”air traffic facilities which provide pilot briefing, en route communications and VFR search and rescue services, assist lost aircraft in emergency situations, relay ATC clearances, originate notices to airmen, broadcast aviation weather and NAS information, receive and process IFR flight plans....” FSS’s are avail-able to receive any reports concerning air traffic services as well as accept and file flight plans.
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